201812870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 454312800

約数和(自身を除く): 252499930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 53, 70, 95, 98, 106, 133, 190, 245, 265, 266, 371, 409, 490, 530, 665, 742, 818, 931, 1007, 1330, 1855, 1862, 2014, 2045, 2597, 2863, 3710, 4090, 4655, 5035, 5194, 5726, 7049, 7771, 9310, 10070, 12985, 14098, 14315, 15542, 20041, 21677, 25970, 28630, 35245, 38855, 40082, 43354, 49343, 54397, 70490, 77710, 98686, 100205, 108385, 108794, 151739, 200410, 216770, 246715, 271985, 303478, 380779, 411863, 493430, 543970, 758695, 761558, 823726, 1062173, 1517390, 1903895, 2059315, 2124346, 2883041, 3807790, 4118630, 5310865, 5766082, 10621730, 14415205, 20181287, 28830410, 40362574, 100906435, 201812870]

約数ペア:

[(1, 201812870), (2, 100906435), (5, 40362574), (7, 28830410), (10, 20181287), (14, 14415205), (19, 10621730), (35, 5766082), (38, 5310865), (49, 4118630), (53, 3807790), (70, 2883041), (95, 2124346), (98, 2059315), (106, 1903895), (133, 1517390), (190, 1062173), (245, 823726), (265, 761558), (266, 758695), (371, 543970), (409, 493430), (490, 411863), (530, 380779), (665, 303478), (742, 271985), (818, 246715), (931, 216770), (1007, 200410), (1330, 151739), (1855, 108794), (1862, 108385), (2014, 100205), (2045, 98686), (2597, 77710), (2863, 70490), (3710, 54397), (4090, 49343), (4655, 43354), (5035, 40082), (5194, 38855), (5726, 35245), (7049, 28630), (7771, 25970), (9310, 21677), (10070, 20041), (12985, 15542), (14098, 14315)]